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nfp: flower: replace CFI with vlan present 

Replace vlan CFI bit with a vlan present bit that indicates the
presence of a vlan tag. Previously the driver incorrectly assumed
that an vlan id of 0 is not matchable, therefore we indicate vlan
presence with a vlan present bit.

Fixes: 5571e8c9f2 ("nfp: extend flower matching capabilities")
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Signed-off-by: Louis Peens <louis.peens@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pieter Jansen van Vuuren 2019-03-29 19:04:43 -07:00 committed by David S. Miller
parent 3c446e6f96
commit f7ee799a51
2 changed files with 14 additions and 15 deletions
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2
drivers/net/ethernet/netronome/nfp/flower/cmsg.h
View File

@ -26,7 +26,7 @@
#define NFP_FLOWER_LAYER2_GENEVE_OP BIT(6)
#define NFP_FLOWER_MASK_VLAN_PRIO GENMASK(15, 13)
#define NFP_FLOWER_MASK_VLAN_CFI BIT(12)
#define NFP_FLOWER_MASK_VLAN_PRESENT BIT(12)
#define NFP_FLOWER_MASK_VLAN_VID GENMASK(11, 0)
#define NFP_FLOWER_MASK_MPLS_LB GENMASK(31, 12)

27
drivers/net/ethernet/netronome/nfp/flower/match.c
View File

@ -30,20 +30,19 @@ nfp_flower_compile_meta_tci(struct nfp_flower_meta_tci *ext,
flow_rule_match_vlan(rule, &match);
/* Populate the tci field. */
if (match.key->vlan_id || match.key->vlan_priority) {
tmp_tci = FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
match.key->vlan_priority) |
FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
match.key->vlan_id) |
NFP_FLOWER_MASK_VLAN_CFI;
ext->tci = cpu_to_be16(tmp_tci);
tmp_tci = FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
match.mask->vlan_priority) |
FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
match.mask->vlan_id) |
NFP_FLOWER_MASK_VLAN_CFI;
msk->tci = cpu_to_be16(tmp_tci);
}
tmp_tci = NFP_FLOWER_MASK_VLAN_PRESENT;
tmp_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
match.key->vlan_priority) |
FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
match.key->vlan_id);
ext->tci = cpu_to_be16(tmp_tci);
tmp_tci = NFP_FLOWER_MASK_VLAN_PRESENT;
tmp_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
match.mask->vlan_priority) |
FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
match.mask->vlan_id);
msk->tci = cpu_to_be16(tmp_tci);
}
}